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pull_request.yml
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name: Pull Request Build
# For pull requests: builds and test
on:
push:
branches:
- '!master'
pull_request:
branches:
- master
- 23.x
- 22.x
- 21.x
- 20.x
- 19.x
permissions:
contents: read
jobs:
buildAndTest:
runs-on: ubuntu-latest
strategy:
matrix:
include:
- gradle-argument: 'assemble && ./gradlew check -x test -x testng'
label: 'check'
- gradle-argument: 'testWithJava11 testngWithJava11'
label: 'java11'
test-results-dirs: 'testWithJava11 testngWithJava11'
- gradle-argument: 'testWithJava17 testngWithJava17'
label: 'java17'
test-results-dirs: 'testWithJava17 testngWithJava17'
- gradle-argument: 'testWithJava21 testngWithJava21'
label: 'java21'
test-results-dirs: 'testWithJava21 testngWithJava21'
- gradle-argument: 'test testng jacocoTestReport'
label: 'java25'
test-results-dirs: 'test testng'
- gradle-argument: 'jcstress'
label: 'jcstress'
steps:
- uses: actions/checkout@v6
- uses: gradle/actions/wrapper-validation@v5
- name: Set up JDK 25
uses: actions/setup-java@v5
with:
java-version: '25'
distribution: 'corretto'
- name: build and test
run: |
if [ "${{ matrix.label }}" = "jcstress" ]; then
set -o pipefail
mkdir -p build
./gradlew ${{matrix.gradle-argument}} --info --stacktrace 2>&1 | tee build/jcstress-output.txt
else
./gradlew ${{matrix.gradle-argument}} --info --stacktrace
fi
- name: Upload Coverage HTML Report
uses: actions/upload-artifact@v7
if: always() && matrix.label == 'java25'
with:
name: jacoco-html-report
path: build/reports/jacoco/test/html/
retention-days: 14
- name: Upload Coverage XML Report
uses: actions/upload-artifact@v7
if: always() && matrix.label == 'java25'
with:
name: coverage-report
path: build/reports/jacoco/test/jacocoTestReport.xml
retention-days: 1
- name: Parse Test Results
if: always() && matrix.label != 'check' && matrix.label != 'jcstress'
run: |
total=0; failures=0; errors=0; skipped=0
for dir_name in ${{ matrix.test-results-dirs }}; do
dir="build/test-results/$dir_name"
for f in "$dir"/TEST-*.xml; do
[ -f "$f" ] || continue
t=$(grep -o 'tests="[0-9]*"' "$f" | head -1 | grep -o '[0-9]*')
fl=$(grep -o 'failures="[0-9]*"' "$f" | head -1 | grep -o '[0-9]*')
e=$(grep -o 'errors="[0-9]*"' "$f" | head -1 | grep -o '[0-9]*')
s=$(grep -o 'skipped="[0-9]*"' "$f" | head -1 | grep -o '[0-9]*')
total=$((total + ${t:-0}))
failures=$((failures + ${fl:-0}))
errors=$((errors + ${e:-0}))
skipped=$((skipped + ${s:-0}))
done
done
passed=$((total - failures - errors - skipped))
mkdir -p /tmp/test-stats
echo "{\"total\":$total,\"passed\":$passed,\"failed\":$failures,\"errors\":$errors,\"skipped\":$skipped}" \
> "/tmp/test-stats/${{ matrix.label }}.json"
- name: Parse jcstress Results
if: always() && matrix.label == 'jcstress'
run: |
total=0; passed=0; failed=0; errors=0; skipped=0
if [ -f build/jcstress-output.txt ]; then
line=$(grep 'Results:.*planned.*passed.*failed' build/jcstress-output.txt | tail -1)
if [ -n "$line" ]; then
total=$(echo "$line" | sed 's/.*Results: \([0-9]*\) planned.*/\1/')
passed=$(echo "$line" | sed 's/.*; \([0-9]*\) passed.*/\1/')
failed=$(echo "$line" | sed 's/.*passed, \([0-9]*\) failed.*/\1/')
soft=$(echo "$line" | sed 's/.*failed, \([0-9]*\) soft.*/\1/')
hard=$(echo "$line" | sed 's/.*soft errs, \([0-9]*\) hard.*/\1/')
errors=$((soft + hard))
fi
fi
mkdir -p /tmp/test-stats
echo "{\"total\":$total,\"passed\":$passed,\"failed\":$failed,\"errors\":$errors,\"skipped\":$skipped}" \
> "/tmp/test-stats/${{ matrix.label }}.json"
- name: Upload Test Stats
if: always() && matrix.label != 'check'
uses: actions/upload-artifact@v7
with:
name: test-stats-${{ matrix.label }}
path: /tmp/test-stats/${{ matrix.label }}.json
test-summary:
name: "Per-Class Coverage Gate"
needs: buildAndTest
if: always() && github.event_name == 'pull_request'
runs-on: ubuntu-latest
steps:
- uses: actions/checkout@v6
- name: Download Coverage Report
uses: actions/download-artifact@v8
continue-on-error: true
with:
name: coverage-report
path: coverage/
- name: Enforce Per-Class Coverage Gate
uses: actions/github-script@v8
with:
script: |
const fs = require('fs');
const path = require('path');
const { parseJacocoXml, pct, zeroCov, isRegression } = require('./.github/scripts/parse-jacoco.js');
// --- Read baseline from repo ---
const baselineFile = 'test-baseline.json';
let baseline = { tests: {}, coverage: {} };
if (fs.existsSync(baselineFile)) {
baseline = JSON.parse(fs.readFileSync(baselineFile, 'utf8'));
}
const baseClasses = (baseline.coverage || {}).classes || {};
// --- Parse JaCoCo XML for per-class coverage ---
const jacocoFile = path.join('coverage', 'jacocoTestReport.xml');
const parsed = parseJacocoXml(jacocoFile);
if (!parsed) {
console.log('No JaCoCo report found, skipping coverage gate.');
return;
}
const classCounters = parsed.classes;
// --- Coverage gate: fail if any class regresses on any metric ---
// A regression requires BOTH a percentage drop AND an increase in the
// absolute number of missed items. This avoids false positives when
// well-covered code is extracted/moved out of a class (which lowers the
// percentage without actually losing any test coverage).
const regressions = [];
for (const [cls, curr] of Object.entries(classCounters)) {
const base = baseClasses[cls] || { line: zeroCov, branch: zeroCov, method: zeroCov };
const classRegressions = [];
for (const [metric, key] of [['Line', 'line'], ['Branch', 'branch'], ['Method', 'method']]) {
const currPct = pct(curr[key].covered, curr[key].missed);
const basePct = pct(base[key].covered, base[key].missed);
const currMissed = curr[key].missed;
const baseMissed = base[key].missed;
if (isRegression(currPct, basePct, currMissed, baseMissed)) {
classRegressions.push(` ${cls} ${metric}: ${currPct.toFixed(1)}% (was ${basePct.toFixed(1)}%, delta ${(currPct - basePct).toFixed(1)}%, missed: ${currMissed} was ${baseMissed})`);
}
}
if (classRegressions.length > 0) {
regressions.push(...classRegressions);
// Add method-level details for this regression
const currMethods = curr.methods || [];
const baseMethods = (base.methods || []);
if (currMethods.length > 0 || baseMethods.length > 0) {
const baseByKey = {};
for (const m of baseMethods) baseByKey[m.name + m.desc] = m;
const seen = new Set();
for (const m of currMethods) {
const key = m.name + m.desc;
seen.add(key);
const bm = baseByKey[key];
const currLinePct = pct(m.counters.line.covered, m.counters.line.missed);
const baseLinePct = bm ? pct(bm.counters.line.covered, bm.counters.line.missed) : null;
const lineChanged = baseLinePct !== null && Math.abs(currLinePct - baseLinePct) >= 0.05;
const isNew = !bm;
// When baseline method data exists, only show methods that actually
// changed or are new. Fall back to showing all uncovered methods
// when no baseline method data is available yet.
const hasMissed = m.counters.line.missed > 0 || m.counters.branch.missed > 0;
const show = baseMethods.length > 0
? (lineChanged || isNew)
: (hasMissed || isNew);
if (show) {
const displayName = m.name === '<init>' ? 'constructor' : m.name;
let detail = ` ${displayName} — Line: ${currLinePct.toFixed(1)}%`;
if (baseLinePct !== null) detail += ` (was ${baseLinePct.toFixed(1)}%)`;
else detail += ' (new)';
regressions.push(detail);
}
}
for (const bm of baseMethods) {
if (!seen.has(bm.name + bm.desc)) {
const displayName = bm.name === '<init>' ? 'constructor' : bm.name;
regressions.push(` ${displayName} — removed`);
}
}
}
}
}
if (regressions.length > 0) {
core.setFailed(`Per-class coverage regressions detected:\n${regressions.join('\n')}\n\nUpdate test-baseline.json if these changes are intentional.`);
}
javadoc:
runs-on: ubuntu-latest
steps:
- uses: actions/checkout@v6
- uses: gradle/actions/wrapper-validation@v5
- name: Set up JDK 25
uses: actions/setup-java@v5
with:
java-version: '25'
distribution: 'corretto'
- name: Verify Javadoc
run: ./gradlew javadoc --info --stacktrace
allBuildAndTestSuccessful:
if: always()
needs:
- buildAndTest
- test-summary
- javadoc
runs-on: ubuntu-latest
steps:
- name: Verify all jobs passed
run: |
if [ "${{ needs.buildAndTest.result }}" != "success" ]; then
echo "buildAndTest failed with result: ${{ needs.buildAndTest.result }}"
exit 1
fi
if [ "${{ needs.test-summary.result }}" != "success" ] && [ "${{ needs.test-summary.result }}" != "skipped" ]; then
echo "Per-Class Coverage Gate failed with result: ${{ needs.test-summary.result }}"
exit 1
fi
if [ "${{ needs.javadoc.result }}" != "success" ]; then
echo "javadoc failed with result: ${{ needs.javadoc.result }}"
exit 1
fi
echo "All build and test jobs passed successfully."